Lipitor is a brand name for atorvastatin, which is a medication used to lower cholesterol levels in the blood. According to Medical News Today [3], Lipitor is usually taken once a day, with or without food, and at the same time each day. It is important to follow the instructions given by a healthcare provider or pharmacist when taking Lipitor.

Drug interactions are a possibility with any medication, including Lipitor. GoodRx [2] reports that there are several medications that may interact with Lipitor, including antibiotics, antifungal medications, and certain heart medications. Patients taking Lipitor should inform their healthcare provider of any other medications they are taking to avoid potential interactions.

It is also important to note that Lipitor has been available as a generic medication since 2011 [1]. Patients taking generic atorvastatin should follow the same dosing instructions and inform their healthcare provider of any other medications they are taking.

In conclusion, Lipitor is usually taken once a day, with or without food, and at the same time each day. Patients taking Lipitor should inform their healthcare provider of any other medications they are taking to avoid potential interactions. It is also important to note that generic atorvastatin is available and should be taken in the same manner as Lipitor.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/paxlovid/drug-interactions
[3] https://www.medicalnewstoday.com/articles/atorvastatin-oral-tablet